CN101835096B - Bearing method and control device of multimedia broadcasting multicast service - Google Patents
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Abstract
The invention discloses a bearing method and a control device of a multimedia broadcasting multicast service. The bearing method comprises the following steps of: respectively configuring a multi-cell mode primary multicast control channel P-MCCH for each cell of a non-boundary position in the same multimedia broadcasting multicast service single-frequency network MBSFN overlap region; distributing same multicast resources for the P-MCCH of each cell, wherein the cells are used for forming the consolidated range of the P-MCCH or a part of the consolidated range; and bearing the primary multicast control signaling of all the multimedia broadcasting multicast services, namely the MBMS service, of each cell in the cells on the multi-cell mode P-MCCH of the cell. The bearing method leads each cell at the non-boundary position in the MBSFN overlap region to have only one P-MCCH, realizes the concentration placement of the MBMS service control signaling, and is convenient for a terminal to obtain the related control information of all the MBMS services of the cell once.
Description
Technical field
The present invention relates to LTE (Long Term Evolution, Long Term Evolution) system, particularly bearing method and the control device of multimedia broadcast-multicast service (Multimedia Broadcast Multicast Service, referred to as MBMS).
Background technology
Along with the fast development of Internet and popularizing of large-screen multi-functional mobile phone, a large amount of Mobile data multimedia services and various high bandwidth multimedia service have been there is, for example, video conference, television broadcasting, video request program, advertisement, online education, interactive game etc., this has met the business demand that mobile subscriber constantly rises on the one hand, simultaneously also for mobile operator brings new business growth point.These Mobile data multimedia services require a plurality of users can receive identical data simultaneously, compare with general data service, have the features such as data volume is large, duration length, delay sensitive.
In order to effectively utilize mobile network resource, third generation partner program (3rd GenerationPartnership Project, referred to as 3GPP) MBMS business proposed, this business is a kind of technology of data that transmits from a data source to a plurality of targets, realize sharing of network (comprising core net and Access Network) resource, improved the utilance of Internet resources (especially air interface resource).The MBMS of 3GPP definition not only can realize classes of messages multicast and the broadcast of plain text low rate, but also can realize broadcast and the multicast of high-speed multimedia business, multiple abundant video, audio frequency and multimedia service are provided, this has complied with the trend of following Mobile data development undoubtedly, for the development of 3G provides better business prospect.
In LTE, the data channel of MBMS business and control channel can adopt sending mode He Duo community, single community sending mode.Wherein single community sending mode refers to that the data channel of MBMS business and control channel Jin Zhe community send, there is no multimedia broadcast-multicast service Single Frequency Network (MBSFN, Multimedia Broadcast multicast service Single Frequency Network, abbreviation MBSFN) grand diversity feature, Er Duo community sending mode refers to that a plurality of communities send identical data on identical running time-frequency resource, be the mode that MBMS business or control information have adopted content synchronization, namely adopted the grand diversity of MBSFN.By this many communities sending mode, a plurality of communities are sending data or the control signal of the MBMS business of identical content mutually in the same time, can improve the subscriber equipment receiving gain of (User Equipment is called for short UE).
In LTE, MBMS business can adopt mixed carrier mode to send, mixed carrier mode refers to that unicast service (Unicast) and multicast service (MBMS business) send on same carrier wave in time-multiplexed mode, and time-multiplexed least unit is subframe.The repetition period of LTE regulation MBMS business is 320ms at present, just 32 radio frames in corresponding LTE.To a MBSFN region, by MBMS resource allocation method, distribute certain physical resource to be used for carrying the MBMS business in this MBSFN region.As shown in Figure 1, in a MBMS business repetition period, a radio frames duration is 10ms, and a radio frames comprises 10 subframes, and a subframe duration is 1ms.In figure
dash area is to adopt the MBMS service resources that existing MBMS traffic resource assignment scheme is a certain MBSFN region.Existing allocative decision is divided into radio frames level allocation and subframe level allocation.Radio frames adopts MBMS wireless frame period, MBMS radio frames to be offset to describe allocative decision, and sub-frame level is used bitmap to describe to be assigned as in MBMS radio frames those subframes to be used for bearing MBMS service.And a repetition period is 32 radio frames durations, above-mentioned resource allocation methods is once described the MBMS resource allocation conditions in one-period.
For the region of the overlapping covering of MBSFN, as shown in Figure 2, be the signal of two MBSFN region overlappings, the physical source distributing of MBSFN a-quadrant is as in Fig. 1
shade signal, the physical source distributing in MBSFN B region is as in Fig. 1
shade signal, so in the overlapping region (C region) of Fig. 2 signal, being used for the physical resource of bearing MBMS service is exactly the resource sum in MBSFN a-quadrant and MBSFN B region, attention is in overlapping region, from the physical resource in these two MBSFN regions, take subframe and demarcate as unit, noiseless each other.Can find out that there are 4 MBMS radio frames MBSFN a-quadrant within a repetition period, each MBMS radio frames comprises 3 MBMS subframes.Within a repetition period, also there are 8 MBMS radio frames in MBSFN B region, and each MBMS radio frames comprises 2 MBMS subframes.
It is that MTCH channel is for carrying actual MBMS business datum that MBMS business datum is mapped on logic channel MTCH (MBMS Traffic CHannel), it is upper that the MTCH of many communities is mapped to multicast transmission channel MCH, and MCH is finally mapped on physical channel PMCH and sends.
Each MBSFN region is used for the physical resource of MBMS transmission business and forms physical channel and be called Physical Multicast Channel (Physical Multicast CHannel, referred to as PMCH), PMCH is used for carrying Multicast Channel MCH (Multicast Channel).
The structure of MBMS business control channel MCCH (Multicast ControlChannel) in LTE is once described below.The design of MCCH can be divided into multicast master control channel P-MCCH (PrimaryMCCH), is used for carrying P-MCCH, and multicast time control channel S-MCCH (SecondaryMCCH), is used for carrying S-MCCH.Further, in LTE, stipulate the schedule information (P-MCCH of single cell pattern transmits on DSCH Downlink Shared Channel DL-SCH, and the P-MCCH of many cell patterns transmits on Multicast Channel MCH) of one or two P-MCCH of the upper indication of BCCH (Broadcast Control Channel).
In prior art, MBSFN region does not overlap while covering, there is control channel, the transmission channel of oneself in each MBSFN region, MBSFN overlaps while covering so, particularly in overlapping covered interior logic channel, how control channel, transmission channel should configure, how shining upon, prior art does not all provide solution.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of bearing method and control device of multimedia broadcast-multicast service, and the terminal of being convenient to overlapping region can disposablely be known the relevant control information of all MBMS business in this community.
In order to address the above problem, the invention provides a kind of bearing method of multimedia broadcast-multicast service, comprise: for non-boundary position Ge community in same multimedia broadcast-multicast service Single Frequency Network MBSFN overlapping region configures respectively the main multicast control channel P-MCCH of cell pattern more than, and distribute identical multicast resource for the P-MCCH of described each community, the merging scope that described each community forms described P-MCCH is a part for this merging scope maybe, in described each community, all multimedia broadcast-multicast services of each community are on the P-MCCH of the main multicast control signal of MBMS business many cell patterns of being carried on this community.
Further, said method also has following characteristics:
When adjacent or MBSFN overlapping region, different MBSFN overlapping regions is adjacent with MBSFN Non-overlapping Domain, to one or both sides, border in boundary position Ge community, configure respectively the P-MCCH of a single cell pattern, in described each community, the main multicast control signal of each community is carried on the P-MCCH of single cell pattern of this community; Except having configured the community of P-MCCH of single cell pattern, other communities in each MBSFN overlapping region and MBSFN Non-overlapping Domain form respectively the merging scope of the P-MCCH of many cell patterns of area configurations separately.
Further, said method also has following characteristics:
To being positioned at the merging scope Nei Ge community of the P-MCCH of same many cell patterns, configure respectively the inferior multicast control channel S-MCCH of cell pattern more than, on the Multicast Channel being mapped to for described P-MCCH or on Multicast Channel corresponding to the independent multicast resource distributing of described S-MCCH, the inferior multicast control signal that carries all MBMS business in each community, the merging scope of described S-MCCH is identical with described P-MCCH.
Further, said method also has following characteristics:
For Nei Ge community, same MBSFN region configures respectively the S-MCCH of cell pattern more than, on the Multicast Channel being mapped at the multicast transmission channel MTCH in described MBSFN region or on Multicast Channel corresponding to the multicast resource distributing separately for described S-MCCH, carry the inferior multicast control signal of all MBMS business in each community, the merging scope of described S-MCCH is described MBSFN region.
Further, said method also has following characteristics:
Nei Ge community, same MBSFN region is carried on the business datum of MBMS business on one or more multicast transmission channels, and described a plurality of multicast transmission channel mappings, to same Multicast Channel, or are mapped to respectively on different Multicast Channels.
In order to address the above problem, the present invention also provides a kind of bearing method of multimedia broadcast-multicast service, comprise: for non-boundary position Ge community in same multimedia broadcast-multicast service Single Frequency Network MBSFN overlapping region configures respectively the multicast control channel MCCH of cell pattern more than, and distribute identical multicast resource for the MCCH of described each community, the merging scope that described each community forms described MCCH is a part for this merging scope maybe, in described each community, all multimedia broadcast-multicast services of each community are on the MCCH of the multicast control signal of MBMS business many cell patterns of being carried on this community.
Further, said method also has following characteristics:
When one MBSFN district inclusion MBSFN overlapping region and MBSFN Non-overlapping Domain, for configure respectively the MCCH of a single cell pattern in described MBSFN overlapping region and/or MBSFN Non-overlapping Domain in boundary position Ge community, in described each community, the multicast control signal of each community is carried on the MCCH of single cell pattern of this community; Except the community of the described MCCH that has configured single cell pattern, other communities of described MBSFN overlapping region form the merging scope of the MCCH of cell pattern more than, and other communities in described MBSFN Non-overlapping Domain form the merging scope of the MCCH of another many cell patterns.
In order to address the above problem, the present invention also provides a kind of multimedia broadcast-multicast service control device, comprises multicast control channel distribution module, multicast resource distribution module and multicast control signal carrier module; Described multicast control channel distribution module, is used to non-boundary position Ge community in same multimedia broadcast-multicast service Single Frequency Network MBSFN overlapping region to configure respectively the main multicast control channel P-MCCH of cell pattern more than; Described multicast resource distribution module, for and for the P-MCCH of described each community distributes identical multicast resource, the merging scope that described in making, each community forms described P-MCCH is a part for this merging scope maybe; Described multicast control signal carrier module, for by all multimedia broadcast-multicast services of described each each community, community being the P-MCCH that the main multicast control signal of MBMS business is carried on many cell patterns of this community.
Further, said apparatus also has following characteristics:
Described multicast control channel distribution module, when also or MBSFN overlapping region adjacent for the MBSFN overlapping region different is adjacent with MBSFN Non-overlapping Domain, to one or both sides, border in boundary position Ge community, configure respectively the P-MCCH of a single cell pattern; Described multicast control signal carrier module, also for being carried on the main multicast control signal of described each each community, community the P-MCCH of single cell pattern of this community.
Further, said apparatus also has following characteristics:
Described multicast control channel distribution module, also, for to being positioned at the merging scope Nei Ge community of the P-MCCH of same many cell patterns, configures respectively the inferior multicast control channel S-MCCH of cell pattern more than; Described multicast control signal carrier module, also, on the Multicast Channel being mapped to for described P-MCCH or for independent Multicast Channel corresponding to multicast resource distributing of described S-MCCH, carries the inferior multicast control signal of all MBMS business in each community.
Bearing method of the present invention and control device, make each community of non-boundary position in MBSFN overlapping region only have a P-MCCH, realized the concentrated placement of MBMS business control signaling, be convenient to the disposable relevant control information of knowing the MBMS business that this community is all of terminal, simultaneously by the different multicast resource of different merging area configurations (for example, with different MCH sub-frame allocation pattern (MCHSubframe Allocation Pattern, abbreviation MSAP) mode is distributed), can avoid well merging the interference in region.
Accompanying drawing explanation
Fig. 1 is MBSFN region physical source distributing schematic diagram;
Fig. 2 is the schematic diagram that two MBSFN region overlappings cover;
Fig. 3 is the schematic diagram that three MBSFN regions overlap and cover.
Fig. 4 is the mapping method flow chart of P-MCCH in embodiment.
Embodiment
Herein, MBSFN overlapping region refers to the region being covered by two or more MBSFN regions, same MBSFN overlapping region refers to that Nei Ge community, this region is all covered by identical MBSFN region group, and described MBSFN region group consists of two or more MBSFN regions.As shown in Figure 3, tri-MBSFN regions of MBSFN1, MBSFN2 and MBSFN3 overlap while covering, and Zhong community, M1 region is all under the overlapping covering of the MBSFN region group being comprised of MBSFN1 and MBSFN2; Zhong community, P1 region is all under the overlapping covering of the MBSFN region group being comprised of MBSFN1, MBSFN2 and MBSFN3, and M1 region and P1 region are different overlapping regions.Alleged Non-overlapping Domain, refers to the region only being covered by a MBSFN region herein.
Herein, border cell refers to the community of the boundary position in different MBSFN overlapping regions, or the community of the boundary position in MBSFN overlapping region and MBSFN Non-overlapping Domain, and the community in Ji Gai community and another region is adjacent.
Hereinafter with the situation about covering that overlaps of two MBSFN regions shown in Fig. 2, embodiment is described.
In Fig. 2, the covering that overlaps of MBSFN a-quadrant and MBSFN B region, in MBSFN a-quadrant, there are a lot of communities to form actual MBSFN a-quadrant, in MBSFN B region, there are a lot of communities to form actual MBSFN B region, in the region of MBSFN A and the overlapping covering of MBSFN B, also there are a lot of communities to belong to two MBSFN A and MBSFN B region simultaneously.MBSFN a-quadrant is called to a-quadrant herein, MBSFN B region is called to B region, the region not overlapping in MBSFN a-quadrant is called to A1 region, the region not overlapping in MBSFN B region is called to B1 region, the region overlapping in MBSFN a-quadrant and MBSFN B region is called to C region.Suppose that there are TV1 and two MBMS business of TV2 in MBSFN a-quadrant, there are TV3 and two MBMS business of TV4 in MBSFN B region, has so TV1, TV2, TV3 and TV4 to have 4 MBMS business in C region.
There is MBMS business in each MBSFN region, and the data of MBMS business specifically form by controlling data and business datum, and there is control data and the business datum of MBMS business in each MBSFN region.It is upper that MBMS business datum is mapped to MTCH, and MTCH is called MBMS service transmission channel.
The following describes the relation of MTCH, MCH and MSAP: MCH is transmission channel, feature is to carry out point-to-multipoint transmission, corresponding physical resource is that system is the multicast resource that MBMS transmission business is distributed, in LTE/LTE-A system, the multicast resource that has oneself for each MBSFN region, the multicast resource of each MBSFN is independently, and the subframe of take is carried out the time-division as unit.The multicast resource in each MBSFN region can be take subframe and according to certain pattern, is divided into a plurality of groups as unit, each group can form a MCH, or a plurality of groups form a MCH, the pattern using when each MCH forms so is just called the MSAP of this MCH, a MSAP describes the physical resource of a MCH channel, distributes different MSAP to distribute different multicast resources.MTCH is logic channel, a MTCH carries one or more business data of (for example a TV program is called a business), a business is only carried in a MTCH, MTCH is mapped on MCH and transmits, and one or more MTCH can be mapped on one or more MCH.
MBMS control device (is a chain of command entity, can be for example MBMS coordination entity (MBMS Coordination Entity, be called for short MCE)) the responsible configuration of processing the inferior multicast control channel (S-MCCH) of the main multicast control channel (P-MCCH) of many cell patterns, the multicast logic channel (MTCH) of many cell patterns and many cell patterns, the relevant treatment such as resource distribution and transmission.MBMS control device may reside in base station, gateway or other physical entity of network side.
The bearing method of P-MCCH comprises following content:
C location: as shown in Figure 4, MBMS control device is the P-MCCH that each community of the non-boundary position in C region configures respectively cell pattern more than, and distribute identical multicast resource for the P-MCCH of described each community, many cell patterns P-MCCH of the P-MCCH signaling bear Zhe community of all MBMS business in each community is upper, then is mapped on the Multicast Channel that described multicast resource is corresponding (MCH).Corresponding diagram 2, the master control signaling of carrying TV1, TV2, TV3 and the TV4 of Liao Zhe community in many cell patterns P-MCCH of non-boundary position Shang Ge community, C region, the MBSFN merging scope of this P-MCCH is the community of all non-boundary positions in C region.
A1 location: MBMS control device is that each community of the non-boundary position in A1 region configures respectively a P-MCCH, and distribute identical multicast resource for the P-MCCH of described each community, many cell patterns P-MCCH of the P-MCCH signaling bear Zhe community of all MBMS business in each community is upper, then is mapped on the Multicast Channel that described multicast resource is corresponding (MCH).Referring to Fig. 2, in many cell patterns P-MCCH of each community, A1 region, carry the master control signaling of TV1, the TV2 of this community.The MBSFN merging scope of this P-MCCH is the community of all non-boundary positions in A1 region.
B1 location: MBMS control device is the P-MCCH that each community of the non-boundary position in B1 region configures respectively cell pattern more than, and distribute identical multicast resource for the P-MCCH of described each community, many cell patterns P-MCCH of the P-MCCH signaling bear Zhe community of all MBMS business in each community is upper, then is mapped on the Multicast Channel that described multicast resource is corresponding (MCH).Referring to Fig. 2, in many cell patterns P-MCCH in B1 region, carry the relevant control signaling of TV3, TV4 in B 1 region.The MBSFN merging scope of this P-MCCH is the community of all non-boundary positions in B1 region.
A1 region is adjacent with C region, has border.The community of boundary position can be identical with the method for non-boundary position community carrying P-MCCH, and the merging scope of P-MCCH is whole overlapping region.Another kind of situation, because community and the neighbor cell of boundary position are adhered to the merging scope of P-MCCH of the cell pattern more than of zones of different configuration separately, the P-MCCH signaling difference that both send, can produce stronger interference.B1 region and C region adjacent are also like this.Therefore in the present embodiment, to border one side (can be also both sides) in boundary position Ge community, configure respectively the P-MCCH of a single cell pattern, in BORDER PROCESSING Ge community, the main multicast control signal of each community is carried on the P-MCCH of single cell pattern of this community.
In the overlapping C region of above-mentioned generation MBSFN, only have the P-MCCH of cell pattern more than, be convenient to the disposable relevant information of knowing the MBMS business that this community is all of terminal.
The bearing method of MTCH data comprises:
MTCH is for bearing MBMS service data rather than control signal, and there are one or more MTCH logic channels in a MBSFN region one.
MBMS control device is the MTCH that each community of the non-boundary position in a-quadrant configures respectively more than one many cell patterns, and distribute identical multicast resource for the MTCH of described each community, wherein different MTCH distributes different multicast resources, each cell MBMS business is mapped to respectively to each MTCH upper, then is mapped on the Multicast Channel that each multicast resource is corresponding.For example, MBMS control device is for each community of the non-boundary position in a-quadrant, TV1 and TV2 are mapped to respectively to two MTCH are upper (might as well be assumed to be TV1 and be mapped to MTCH1, TV2 is mapped to MTCH2), and be MTCH1 and MTCH2 configuration multicast resource separately, the corresponding Multicast Channel MCH1 of difference and MCH2, final realization is mapped to the upper carrying of corresponding MCH1 again the logic channel MTCH1 of the data-mapping of TV1 business, and the logic channel MTCH2 of the data-mapping of TV2 business is mapped to the upper carrying of corresponding MCH2 again.The MBSFN merging scope of this MTCH1 and MTCH2 is a-quadrant, carries respectively in other words the community that the MCH1 of this MTCH1 and MTCH2 and the MBSFN merging scope of MCH2 are all non-boundary positions in a-quadrant.
MBMS control device is the MTCH that each community of the non-boundary position in a-quadrant configures respectively cell pattern more than, and distribute identical multicast resource for the MTCH of described each community, each cell MBMS business is mapped to respectively to each MTCH upper, then is mapped on the Multicast Channel that each multicast resource is corresponding.For example, corresponding diagram 2, MBMS control device is that each community, a-quadrant is determined TV1 and TV2 are mapped to a MTCH, and be this MTCH configuration Multicast Channel (MCH), final realization is mapped to the upper carrying of corresponding MCH again the logic channel MTCH of the data-mapping of carrying TV1 and TV2 business.The MBSFN merging scope of this MTCH is a-quadrant, and the MBSFN merging scope of carrying in other words the MCH of this MTCH is the community of all non-boundary positions in a-quadrant.
MBMS control device can also be done as a whole the P-MCCH in the non-boundary position of a plurality of MTCH and a-quadrant, by MSAP, distribute public multicast resource, on Multicast Channel corresponding to described multicast resource by further multiplexing carrying this plurality of MTCH data and P-MCCH.
In like manner the processing mode in B region is identical with a-quadrant, the MBMS business datum of carrying TV3, TV4 in the non-boundary position in B region in many cell patterns MTCH of the non-boundary position in B region, the MBSFN merging scope of these MTCH data is the community of all non-boundary positions in B region; Or, many cell patterns MTCH1 carrying TV3 business of the non-boundary position in B region, many cell patterns MTCH2 carrying TV4 business, the MBSFN merging scope of MTCH1 and MTCH2 is the community of all non-boundary positions in B region.
While also comprising S-MCCH in MBMS business control information, the bearing method of S-MCCH comprises following two kinds of modes, but in actual applications, can only take wherein a kind of mode.
Mode one, can be with reference to the above-mentioned method about P-MCCH.MBMS control device is the S-MCCH that each community of the non-boundary position in C region configures respectively cell pattern more than, and distribute identical multicast resource for the S-MCCH of described each community, many cell patterns S-MCCH of the S-MCCH signaling bear Zhe community of all MBMS business in each community is upper, then is mapped on the Multicast Channel that described multicast resource is corresponding (MCH).Each community for the non-boundary position in A1 region is identical with the processing mode of each community of the B 1 non-boundary position in region.The merging scope of S-MCCH is respectively the non-boundary position in C region, the non-boundary position of the non-boundary position in A1 region and B1 region, identical with the merging scope of P-MCCH, the S-MCCH of the non-boundary position in C region, the non-boundary position of the non-boundary position in A1 region and B1 region can with same area in P-MCCH combine, in the upper carrying of Multicast Channel corresponding to same multicast resource (Multicast Channel of P-MCCH).
Mode two, MBMS control device is that each community of the non-boundary position in a-quadrant configures respectively a S-MCCH, and distribute identical multicast resource for the S-MCCH of described each community, many cell patterns S-MCCH of the S-MCCH signaling bear Zhe community of all MBMS business in each community is upper, then is mapped on the Multicast Channel that described multicast resource is corresponding (MCH).Each community for the non-boundary position in a-quadrant is identical with the processing mode of each community of the non-boundary position in B region.The merging scope of S-MCCH is respectively the non-boundary position of the non-boundary position in a-quadrant and B region, identical with the merging scope of MTCH, the non-boundary position S-MCCH in the non-boundary position in a-quadrant and B region can with same area in MTCH combine, in the upper carrying of Multicast Channel corresponding to same multicast resource (Multicast Channel of MTCH).
In the situation that region A and region B do not overlap, take a-quadrant and P-MCCH as example, MBMS control device is that a P-MCCH is determined respectively in each community, one's respective area, and distribute identical multicast resource for the P-MCCH of described each community, many cell patterns P-MCCH of the P-MCCH signaling bear Zhe community of all MBMS business in each community is upper, then is mapped on the Multicast Channel that described multicast resource is corresponding (MCH).The MBSFN merging scope of P-MCCH is whole a-quadrant.Identical to the processing method of MTCH and S-MCCH and P-MCCH in a-quadrant, it merges region is whole a-quadrant.Identical with the processing mode in a-quadrant to the processing mode of P-MCCH, MTCH and S-MCCH in B region, it merges region is whole B region.Because P-MCCH, the merging scope of MTCH and S-MCCH is identical, can be by P-MCCH, and MTCH and S-MCCH carry on Multicast Channel corresponding to same multicast resource; Can also be by these three channels, one or two carries on Multicast Channel corresponding to same multicast resource.In addition, MTCH can be used as an integral body, for it distributes multicast resource, on Multicast Channel corresponding to this multicast resource, carries MTCH; Also a plurality of MTCH can be set, distribute respectively multicast resource, on Multicast Channel corresponding to each multicast resource, carry corresponding MTCH.
When MCCH channel is not divided in the situation of primary and secondary structure, MCCH signaling is generically and collectively referred to as multicast control signal, control information comprising P-MCCH and S-MCCH, for non-boundary position Ge community in same multimedia broadcast-multicast service Single Frequency Network MBSFN overlapping region configures respectively the multicast control channel MCCH of cell pattern more than, and distribute identical multicast resource for the MCCH of described each community, the merging scope that described each community forms described MCCH is a part for this merging scope maybe, in described each community, all multimedia broadcast-multicast services of each community are on the MCCH of the multicast control signal of MBMS business many cell patterns of being carried on this community.Non-overlapped MBSFN region, or in the MBSFN region of overlapping covering for the carrying of MCCH, can adopt the processing method of above-mentioned P-MCCH completely.
Multimedia broadcast-multicast service control device, comprises multicast control channel distribution module, multicast resource distribution module and multicast control signal carrier module;
Described multicast control channel distribution module, is used to non-boundary position Ge community in same multimedia broadcast-multicast service Single Frequency Network MBSFN overlapping region to configure respectively the main multicast control channel P-MCCH of cell pattern more than; When also or MBSFN overlapping region adjacent for the MBSFN overlapping region different is adjacent with MBSFN Non-overlapping Domain, to one or both sides, border in boundary position Ge community, configure respectively the P-MCCH of a single cell pattern; Also, for to being positioned at the merging scope Nei Ge community of the P-MCCH of same many cell patterns, configure respectively the inferior multicast control channel S-MCCH of cell pattern more than;
Described multicast resource distribution module, for and for the P-MCCH of described each community distributes identical multicast resource, the merging scope that described in making, each community forms described P-MCCH is a part for this merging scope maybe;
Described multicast control signal carrier module, for by all multimedia broadcast-multicast services of described each each community, community being the P-MCCH that the main multicast control signal of MBMS business is carried on many cell patterns of this community; Also for the main multicast control signal of described each each community, community being carried on to the P-MCCH of single cell pattern of this community; Also, on the Multicast Channel being mapped to for described P-MCCH or for independent Multicast Channel corresponding to multicast resource distributing of described S-MCCH, carry the inferior multicast control signal of all MBMS business in each community.
Adopt this method can realize each community in MBSFN overlapping region and only have a P-MCCH, realize the concentrated placement of MBMS service announcements class message, be convenient to the disposable relevant information of knowing the MBMS business that this community is all of terminal.P-MCCH and MTCH have different merging regions, and by the different multicast resource of separate configurations, can avoid well merging the interference in region.
Claims (10)
1. a bearing method for multimedia broadcast-multicast service, comprising:
For non-boundary position Ge community in same multimedia broadcast-multicast service Single Frequency Network MBSFN overlapping region configures respectively the main multicast control channel P-MCCH of cell pattern more than, and distribute identical multicast resource for the P-MCCH of described each community, the merging scope that described each community forms described P-MCCH is a part for this merging scope maybe, and in described each community, all multimedia broadcast-multicast services of each community are on the P-MCCH of the main multicast control signal of MBMS business many cell patterns of being carried on this community.
2. bearing method as claimed in claim 1, is characterized in that,
When adjacent or MBSFN overlapping region, different MBSFN overlapping regions is adjacent with MBSFN Non-overlapping Domain, to one or both sides, border in boundary position Ge community, configure respectively the P-MCCH of a single cell pattern, in described each community, the main multicast control signal of each community is carried on the P-MCCH of single cell pattern of this community;
Except having configured the community of P-MCCH of single cell pattern, other communities in each MBSFN overlapping region and MBSFN Non-overlapping Domain form respectively the merging scope of the P-MCCH of many cell patterns of area configurations separately.
3. bearing method as claimed in claim 1 or 2, is characterized in that,
To being positioned at the merging scope Nei Ge community of the P-MCCH of same many cell patterns, configure respectively the inferior multicast control channel S-MCCH of cell pattern more than, on the Multicast Channel being mapped to for described P-MCCH or on Multicast Channel corresponding to the independent multicast resource distributing of described S-MCCH, the inferior multicast control signal that carries all MBMS business in each community, the merging scope of described S-MCCH is identical with described P-MCCH.
4. bearing method as claimed in claim 1 or 2, is characterized in that,
For Nei Ge community, same MBSFN region configures respectively the S-MCCH of cell pattern more than, on the Multicast Channel being mapped at the multicast transmission channel MTCH in described MBSFN region or on Multicast Channel corresponding to the multicast resource distributing separately for described S-MCCH, carry the inferior multicast control signal of all MBMS business in each community, the merging scope of described S-MCCH is described MBSFN region.
5. bearing method as claimed in claim 1 or 2, is characterized in that,
Nei Ge community, same MBSFN region is carried on the business datum of MBMS business on one or more multicast transmission channels, and described a plurality of multicast transmission channel mappings, to same Multicast Channel, or are mapped to respectively on different Multicast Channels.
6. a bearing method for multimedia broadcast-multicast service, comprising:
For non-boundary position Ge community in same multimedia broadcast-multicast service Single Frequency Network MBSFN overlapping region configures respectively the multicast control channel MCCH of cell pattern more than, and distribute identical multicast resource for the MCCH of described each community, the merging scope that described each community forms described MCCH is a part for this merging scope maybe, and in described each community, all multimedia broadcast-multicast services of each community are on the MCCH of the multicast control signal of MBMS business many cell patterns of being carried on this community.
7. bearing method as claimed in claim 6, is characterized in that,
When one MBSFN district inclusion MBSFN overlapping region and MBSFN Non-overlapping Domain, for configure respectively the MCCH of a single cell pattern in described MBSFN overlapping region and/or MBSFN Non-overlapping Domain in boundary position Ge community, in described each community, the multicast control signal of each community is carried on the MCCH of single cell pattern of this community;
Except the community of the described MCCH that has configured single cell pattern, other communities of described MBSFN overlapping region form the merging scope of the MCCH of cell pattern more than, and other communities in described MBSFN Non-overlapping Domain form the merging scope of the MCCH of another many cell patterns.
8. a multimedia broadcast-multicast service control device, is characterized in that, comprises multicast control channel distribution module, multicast resource distribution module and multicast control signal carrier module;
Described multicast control channel distribution module, is used to non-boundary position Ge community in same multimedia broadcast-multicast service Single Frequency Network MBSFN overlapping region to configure respectively the main multicast control channel P-MCCH of cell pattern more than;
Described multicast resource distribution module, for and for the P-MCCH of described each community distributes identical multicast resource, the merging scope that described in making, each community forms described P-MCCH is a part for this merging scope maybe;
Described multicast control signal carrier module, for by all multimedia broadcast-multicast services of described each each community, community being the P-MCCH that the main multicast control signal of MBMS business is carried on many cell patterns of this community.
9. control device as claimed in claim 8, is characterized in that,
Described multicast control channel distribution module, when also or MBSFN overlapping region adjacent for the MBSFN overlapping region different is adjacent with MBSFN Non-overlapping Domain, to one or both sides, border in boundary position Ge community, configure respectively the P-MCCH of a single cell pattern;
Described multicast control signal carrier module, also for being carried on the main multicast control signal of described each each community, community the P-MCCH of single cell pattern of this community.
10. control device as claimed in claim 8 or 9, is characterized in that,
Described multicast control channel distribution module, also, for to being positioned at the merging scope Nei Ge community of the P-MCCH of same many cell patterns, configures respectively the inferior multicast control channel S-MCCH of cell pattern more than;
Described multicast control signal carrier module, also, on the Multicast Channel being mapped to for described P-MCCH or for independent Multicast Channel corresponding to multicast resource distributing of described S-MCCH, carries the inferior multicast control signal of all MBMS business in each community.
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| CN200910118499.5A CN101835096B (en) | 2009-03-13 | 2009-03-13 | Bearing method and control device of multimedia broadcasting multicast service |
| PCT/CN2009/076002 WO2010102503A1 (en) | 2009-03-13 | 2009-12-24 | Bearing method and control apparatus of multimedia broadcast multicast service |
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| US20150350284A1 (en) * | 2014-05-27 | 2015-12-03 | Acer Incorporated | Method of Enhancement of Data Transmission in Multimedia Service |
| CN113132921B (en) * | 2020-01-15 | 2022-04-15 | 成都鼎桥通信技术有限公司 | Method and device for receiving data of multicast channel in overlapping area and storage medium |
| CN113645668B (en) * | 2020-04-27 | 2023-03-24 | 大唐移动通信设备有限公司 | Method, device and storage medium for multi-cell MBMS service transmission |
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| CN101272522A (en) * | 2007-03-20 | 2008-09-24 | 大唐移动通信设备有限公司 | Method, system and base station for single frequency network transmitting multimedia broadcast/multicast service |
| CN101299824A (en) * | 2007-04-30 | 2008-11-05 | 华为技术有限公司 | Method, system and subscriber terminal for acquiring multimedia broadcast and multicast service data |
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| CN101257649B (en) * | 2007-02-28 | 2012-05-23 | 鼎桥通信技术有限公司 | Method and system for realizing multimedia broadcast multicasting service |
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| CN101272522A (en) * | 2007-03-20 | 2008-09-24 | 大唐移动通信设备有限公司 | Method, system and base station for single frequency network transmitting multimedia broadcast/multicast service |
| CN101299824A (en) * | 2007-04-30 | 2008-11-05 | 华为技术有限公司 | Method, system and subscriber terminal for acquiring multimedia broadcast and multicast service data |
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